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Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
1955–2025 Year Range
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Showing 11,703 bulletins for CHEVROLET

PIT6053 Aug 25, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2022–2023) — 4 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates information to inform dealer there is a check valve in the washer fluid hose that connects to the washer pump.
PIT6052 Aug 24, 2023
CHEVROLET — TAHOE (2019–2020) — 2 vehicle combinations
162210 STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL
This Preliminary information communicates how to remove/disable the front grille shutters on early built Police Tahoe for better cooling performance.
N222384940 Aug 24, 2023
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2022) — 3 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Service Update. On certain vehicles, the air compressor coolant outlet port may cause a slow coolant leak at the air compressor on the engine. Dealers are to inspect, and if necessary, replace the automatic level control air compressor.
09-04-20-001H Aug 24, 2023
CHEVROLET — CAMARO, CORVETTE (2006–2024) — 56 vehicle combinations
100000 POWER TRAIN
This service bulletin provides information to address a tire chatter noise during low speed tight turn conditions (i.e. parking lot, driveway, etc.) primarily during cooler ambient temperatures.
PIT6008A Aug 21, 2023
CHEVROLET — SIERRA 3500, SILVERADO EV (2024) — 2 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to dealers a procedure to remove the radio from demo mode
N232409000 Aug 21, 2023
CHEVROLET — CANYON, COLORADO (2023) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
Service Update - Certain vehicles may have a condition where there is insufficient clearance between the wiring harness and the turbo actuator. Dealers are to install cable ties to the engine wiring harness.
23-NA-143 Aug 17, 2023
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2022–2024) — 174 vehicle combinations
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Radio Software Version Y169a?? Multiple Updates for IOK.
N23-240985 Aug 16, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2022) — 10 vehicle combinations
133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
'Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: a??Updates made to ensure a seamless connection upon startup with SiriusXM.a?? a??Updates made to the Radio Favorit
N23-240984 Aug 15, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2023) — 4 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: - Updates made to the overall vehicle software upda
23-NA-136 Aug 15, 2023
CHEVROLET — BLAZER EV (2024) — 4 vehicle combinations
110000 ELECTRICAL SYSTEM
2024 Chevrolet Blazer EV New Model Features
21-NA-210 Aug 11, 2023
CHEVROLET — BOLT EUV, BOLT EV (2017–2023) — 27 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides information on observing visible cracks on A/C Evaporator Hose and that it is a normal condition.
N232408340 Aug 10, 2023
CHEVROLET — TAHOE (2022–2023) — 2 vehicle combinations
350000 EQUIPMENT
Customer Satisfaction Program: Certain vehicles may have a condition in which the upfit accessories were not installed. Dealers will offer the vehicle to be sent back to install the upfit or provide the customer with a reimbursement check
PIP5908A Aug 9, 2023
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2024) — 4 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to dealer technicians that fuel system components for the 2024 model year 6.6L diesel engine are no longer on a parts restriction administered through the Product Quality Center (PQC).
23-NA-139 Aug 9, 2023
CHEVROLET — CORVETTE (2020–2024) — 26 vehicle combinations
100000 POWER TRAIN
This service bulletin advises the tech on what to do if the specific codes P1955 and/or P0867 have been set for the transmission to correct customer concerns of a Service Transmission Message Displayed on Driver Information Center (DIC), Ma
N232411300 Aug 8, 2023
CHEVROLET — SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD (2023) — 6 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
Certain vehicles may have a brake fluid leak at the brake pressure switch. Dealers are to inspect the brake pressure switch for the suspect lot code 04523, replace the brake pressure switch if it has the suspect lot code or if the code is m
23-NA-067 Aug 8, 2023
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2024) — 24 vehicle combinations
010000 STEERING
This technical bulletin provides a procedure for the Steering Angle Sensor Module replacement.
PIP5919B Aug 7, 2023
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2024) — 2 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates that there is Restriction on the Exhaust Gas Temperature Sensors on 2024 6.6L L5P Engine Vehicles
PIP5918A Aug 7, 2023
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2024) — 2 vehicle combinations
350000 EQUIPMENT
This Preliminary information communicates that there is A restriction on Nox 1 And NOx 2 sensors of 2024 6.6L L5P.
N23-239807 Aug 7, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2023) — 4 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
Your Vehicle keeps getting better. A vehicle software update is ready for you to install. This update includes the following if your vehicle is equipped: Refinements: a??Improvements made to Google Built-in features (Google Assistant and
PIT6045 Aug 3, 2023
CHEVROLET — CANYON, COLORADO (2023) — 4 vehicle combinations
100000 POWER TRAIN
This Preliminary Information communicates the possibility of the transmission control module locking up if the battery has been discharged.
PIT6018B Aug 2, 2023
CHEVROLET — CANYON, COLORADO (2023) — 2 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates the possibility of a resetting of some information modules prior to delivery.
PIP5847A Aug 2, 2023
CHEVROLET — SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500 (2019–2023) — 10 vehicle combinations
280000 BACK OVER PREVENTION
This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin.
PIP5853E Aug 1, 2023
CHEVROLET — SILVERADO 4500HD (2019–2023) — 5 vehicle combinations
353000 EQUIPMENT:ELECTRICAL
This PI communicates to dealers and technicians a Possible low voltage or poor ground to the TCCM.
PIT5909B Jul 31, 2023
CHEVROLET — HUMMER EV, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500 (2019–2024) — 20 vehicle combinations
353000 EQUIPMENT:ELECTRICAL
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
PIE0747D Jul 31, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2022–2024) — 18 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed regarding information to inform dealership personnel on elevated Warranty being seen on A/C comp
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